21108+4249 VKI 40
21h 10m 45.49s +42° 48' 54.5" P.A. 255.00 sep 3.8 mag 12.36,13.10
| Coord 2000 |
21108+4249 |
|
Discov num |
VKI 40 |
|
Comp |
|
|
Coord arcsec 2000 |
21 10 45.49 +42 48 54.5 |
|
| Date first |
1977 |
|
Date last |
2016 |
|
Obs |
6 |
|
| Pa first |
258 |
|
Pa last |
255.3 |
|
P.A. Now (θ) |
255.3° |
|
| Sep first |
3.7 |
|
Sep last |
3.76 |
|
Sep. Now (ρ) |
3.76" |
|
| Mag pri |
12.36 |
|
Mag sec |
13.10 |
|
delta mag (ΔM) |
0.74 |
|
Spectral class |
|
|
| Pri motion ra |
+006 |
|
Sec motion ra |
|
|
| Pri motion dec |
-004 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3177-02173-1 |
|
Gaia DR2 |
1969885032323522560 |
|
